Siemens optiPoint 400 - Manual (Page 67)

Private Sphere/Security
67
Step by Step
Locking the Telephone to Prevent
Unauthorized Use
You can prevent unauthorized persons from using your
telephone and its electronic notebook during your ab-
sence.
Precondition: You must have configured a personal
identification number (PIN) for your telephone
Æ Page 69.
To lock and unlock the telephone:
Select and confirm.
or
or
qjj
or
rjj
Enter the code for "on" or "off".
o
Enter the telephone lock PIN Æ Page 69.
Changeover on?
Changeover off?
While the telephone is locked, a special dial tone
sounds when you lift the handset. You can con-
tinue to dial internal numbers as usual.
Your telephone can also be locked or unlocked
again by an authorized party
Æ Page 68.